US20120304403A1 - Pool Cleaning Vehicle Having Internal Drive Propulsion - Google Patents
Pool Cleaning Vehicle Having Internal Drive Propulsion Download PDFInfo
- Publication number
- US20120304403A1 US20120304403A1 US13/530,076 US201213530076A US2012304403A1 US 20120304403 A1 US20120304403 A1 US 20120304403A1 US 201213530076 A US201213530076 A US 201213530076A US 2012304403 A1 US2012304403 A1 US 2012304403A1
- Authority
- US
- United States
- Prior art keywords
- assembly
- drive
- internal
- drive assembly
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H4/00—Swimming or splash baths or pools
- E04H4/14—Parts, details or accessories not otherwise provided for
- E04H4/16—Parts, details or accessories not otherwise provided for specially adapted for cleaning
- E04H4/1654—Self-propelled cleaners
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19642—Directly cooperating gears
Definitions
- This invention generally relates to the field of motor driven pool cleaning vehicle. More particularly, this invention relates to the structure for driving the pool cleaning vehicle located outside the interior volume of the housing of the pool cleaning vehicle.
- FIGS. 1 and 2 there are two basic kinds of pool cleaning vehicles.
- the pool cleaning vehicle 200 has a housing 202 defining a body and the body having an interior space (not shown). Within the interior space is the drive motor (not shown).
- the drive motor is connected to the drive wheels by a belt (not shown). As the rotor of the drive motor rotates the belt (not shown) move in connection therewith.
- the drive wheels 204 are connected to the belt and rotates corresponding to the belt and motor.
- the belt is both inside and outside the interior. This means that the belt is exposed to the sun's uv rays and the pool's chemicals. Consequently, the belt cracks and loses its elasticity prematurely. Such premature wear is costly to the consumer and result is consumer dissatisfaction and great inconvenience.
- the roller drive embodiment 200 a is belt driven and works in much the way as the wheel driven embodiment.
- the drive roller 204 a is connected to output of the motor. Consequently the drive roller rotates corresponding the rotations of the motor.
- the motor is located within the interior of the housing 202 a.
- both embodiments include the drive motor within the interior space.
- the filter bag for collecting reft the from the filtered water. Quite clearly, the smaller the interior space, the less refuse can be collected. Thus, there is a need for increasing the space available for refuse collection and for doing so in a manner, which allows the pool cleaning vehicle to maintain all of its functions.
- the structure in accordance with the present invention, is an internal drive assembly for a pool cleaning vehicle.
- the internal drive moves the motor assembly from the interior of the pool cleaning vehicle to a location in close proximity to the drive assembly for the pool cleaning vehicle.
- It is an object of this invention is to provide an internal drive assembly for a pool cleaning vehicle which is location outside of the interior of the pool cleaning vehicle to provide greater space for the filtering assembly.
- It is an additional object of this invention to provide such internal drive assembly for a pool cleaning vehicle having a roller drive assembly has the internal drive assembly located within the drive roller itself.
- an internal drive propulsion assembly for a pool cleaning vehicle including a housing defining a body shell and the body shell having an interior for storage of a filter bag, and the pool cleaning vehicle including a drive mechanism including drive means for traveling around the underwater surface of the pool, the internal drive propulsion assembly comprising:
- motor means for propelling the drive mechanism the motor means mounted outside the interior of the body shell.
- the drive motor assembly is located within the drive roller embodiment of the pool cleaning vehicle.
- the drive assembly includes a gear assembly and the gear assembly is connected to the internal gear assembly of the drive roller, which, upon activation of the motor assembly correspondingly moves the drive roller.
- the drive motor assembly is located outside the interior of the body shell and the internal drive assembly including a gear assembly is in close proximity to the drive wheel assembly and the drive wheel assembly including a gear assembly for mating connection with the internal drive gear assembly. Upon activation of the motor, the drive wheels correspondingly move.
- FIG. 1 is a belt driven prior art pool cleaning device exhibiting a roller drive embodiment.
- FIG. 2 is a gear driven prior art pool cleaning device exhibiting a wheel drive embodiment.
- FIG. 3 is a perspective plan view of a single gear embodiment of the internal drive assembly in accordance with this invention.
- FIG. 4 is a perspective plan view of one multiple gear embodiment of the internal drive assembly in accordance with this invention.
- FIG. 5 is a perspective plan view of another multiple gear embodiment of the internal drive assembly in accordance with this invention.
- FIG. 7 is a perspective view of the drive gear assembly in the roller drive embodiment for the internal drive assembly in accordance with this invention.
- FIG. 8 is a cross sectional view of the gear assembly of FIG. 7 .
- the internal drive assembly 50 includes a motor (not shown) with a housing 52 mounted on the exterior 22 of the pool cleaning vehicle 20 .
- the motor includes a pinion gear 54 , mounted on the rotor. When the motor rotates clearly so does the pinion gear.
- the drive wheel 30 is securely and removeably mounted on an axle 32 , in a manner conventional with pool cleaning vehicles.
- the drive wheel 30 includes an internal gear 34 having an opening 36 concentric with the axle opening of the drive wheel 30 . Similar to the drive wheel 30 , the gear 34 slides over the axle 32 and fits securely on the axle 32 so that the pinion gear 54 meshes properly with the internal gear 34 . Thus, when the motor rotor turns, the drive wheel 30 turns.
- the housing 52 hermetically seals the drive motor. This protects the motor against damage that can be caused by the pool water and similar environmental issues.
- the drive wheel 30 rotates freely on the axle 32 . And, as mentioned above does so in response to rotation by the motor.
- the motor in another embodiment includes reduction gearing. This has the advantage of reducing drag and consequently wear. As is appreciated by those skilled in the art, the greater the rotation and speed of the motor the greater the wear rate on the seal. Therefore, by reducing the gearing and turning the motor slower as the rotor or shaft exits the housing, the sealed casing is maintained longer.
- FIG. 4 there is shown another embodiment of the internal drive assembly 50 .
- the elements are the same as FIG. 3 with the exception that additional gear 56 is included.
- the additional gear 56 in one embodiment works as an idler gear. This allows the vehicle to move the motor mass to an appropriate location as a result of the buoyancy of the vehicle.
- wear and tear is shared among the number of idler gears, which could be as many as three. In other embodiments, more than three gears can be used. Also, this embodiment allows the distance between the output shaft and the wheel axle to be reduced. Finally, as can be seen from FIG. 5 , the entire internal drive assembly 50 is enclosed by the drive wheel 30 . In an additional embodiment the entire internal drive assembly is sealed by the enclosure.
- the motor drive housing includes a bearing 62 for supporting and aligning the drive wheel 30 .
- the bearing 62 in another embodiment is in the form of a bushing.
- a locking ring 70 includes a detent 72 extending therefrom.
- the detent 72 is sized and shaped to fit in the journal 46 .
- the motor assembly is journaled within the interior 42 .
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electric Suction Cleaners (AREA)
- General Details Of Gearings (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
Description
- This invention generally relates to the field of motor driven pool cleaning vehicle. More particularly, this invention relates to the structure for driving the pool cleaning vehicle located outside the interior volume of the housing of the pool cleaning vehicle.
- As shown in
FIGS. 1 and 2 , there are two basic kinds of pool cleaning vehicles. With particular reference toFIGS. 2 , there is shown the wheel embodiment of thepool cleaning vehicle 200. Thepool cleaning vehicle 200 has ahousing 202 defining a body and the body having an interior space (not shown). Within the interior space is the drive motor (not shown). The drive motor is connected to the drive wheels by a belt (not shown). As the rotor of the drive motor rotates the belt (not shown) move in connection therewith. Thedrive wheels 204 are connected to the belt and rotates corresponding to the belt and motor. - As can be easily seen from
FIGS. 1 and 2 , the belt is both inside and outside the interior. This means that the belt is exposed to the sun's uv rays and the pool's chemicals. Consequently, the belt cracks and loses its elasticity prematurely. Such premature wear is costly to the consumer and result is consumer dissatisfaction and great inconvenience. - Similarly with respect to
FIG. 2 , theroller drive embodiment 200 a is belt driven and works in much the way as the wheel driven embodiment. In this embodiment, thedrive roller 204 a is connected to output of the motor. Consequently the drive roller rotates corresponding the rotations of the motor. As in the earlier embodiment, the motor is located within the interior of thehousing 202 a. - As described above, both embodiments include the drive motor within the interior space. In both embodiments the filter bag for collecting reft the from the filtered water. Quite clearly, the smaller the interior space, the less refuse can be collected. Thus, there is a need for increasing the space available for refuse collection and for doing so in a manner, which allows the pool cleaning vehicle to maintain all of its functions.
- In order to increase the useable Interior space, it would be advantageous to reduce the number of elements in the housing of the pool cleaning vehicle.
- Additionally, as the pool cleaning vehicle travels around the pool, it runs over various obstacles. Additionally, the elevation in the pool changes somewhat dramatically. It has been found helpful, just like in automobiles, to have a center of gravity that is lower rather than higher.
- What is needed is a pool cleaning vehicle which maximizes interior space and also lowers the center of gravity, while allowing the pool cleaning vehicle to function in its normal manner.
- The structure, in accordance with the present invention, is an internal drive assembly for a pool cleaning vehicle. The internal drive moves the motor assembly from the interior of the pool cleaning vehicle to a location in close proximity to the drive assembly for the pool cleaning vehicle.
- Thus, It is an object of this invention is to provide an internal drive assembly for a pool cleaning vehicle which is location outside of the interior of the pool cleaning vehicle to provide greater space for the filtering assembly.
- It is an additional object of this invention to provide such internal drive assembly for a pool cleaning vehicle having a roller drive assembly has the internal drive assembly located within the drive roller itself.
- In accordance with the objects set forth above and as will be described and as will become herein, the internal drive assembly in accordance with this invention, comprises:
- an internal drive propulsion assembly for a pool cleaning vehicle, the vehicle including a housing defining a body shell and the body shell having an interior for storage of a filter bag, and the pool cleaning vehicle including a drive mechanism including drive means for traveling around the underwater surface of the pool, the internal drive propulsion assembly comprising:
- motor means for propelling the drive mechanism, the motor means mounted outside the interior of the body shell.
- Additionally, in another exemplary embodiment, the vehicle includes a microprocessor. The microprocessor controls the movement of the vehicle, including left and right turns and its ability to escape from various obstacles.
- In an exemplary embodiment of the internal drive assembly in accordance with the invention, the drive motor assembly is located within the drive roller embodiment of the pool cleaning vehicle. The drive assembly includes a gear assembly and the gear assembly is connected to the internal gear assembly of the drive roller, which, upon activation of the motor assembly correspondingly moves the drive roller.
- In the wheel embodiment of the pool cleaning vehicle in accordance with the invention, the drive motor assembly is located outside the interior of the body shell and the internal drive assembly including a gear assembly is in close proximity to the drive wheel assembly and the drive wheel assembly including a gear assembly for mating connection with the internal drive gear assembly. Upon activation of the motor, the drive wheels correspondingly move.
- It is an advantage of this invention to provide an internal drive assembly located outside of the interior body shell of the pool cleaning device.
- For a further understanding of the objects and advantages of the present invention, reference should be had to the following detailed description, taken in conjunction with the accompanying drawing, in which like parts are given like reference numerals and wherein:
-
FIG. 1 is a belt driven prior art pool cleaning device exhibiting a roller drive embodiment. -
FIG. 2 is a gear driven prior art pool cleaning device exhibiting a wheel drive embodiment. -
FIG. 3 is a perspective plan view of a single gear embodiment of the internal drive assembly in accordance with this invention. -
FIG. 4 is a perspective plan view of one multiple gear embodiment of the internal drive assembly in accordance with this invention. -
FIG. 5 is a perspective plan view of another multiple gear embodiment of the internal drive assembly in accordance with this invention. -
FIG. 6 is a perspective view of one exemplary embodiment of the roller drive pool cleaning vehicle having the internal drive assembly in accordance with this invention. -
FIG. 7 is a perspective view of the drive gear assembly in the roller drive embodiment for the internal drive assembly in accordance with this invention. -
FIG. 8 is a cross sectional view of the gear assembly ofFIG. 7 . - An exemplary embodiment of the internal drive assembly for a pool cleaning device 20 in accordance with the present invention generally denoted by the
numeral 50 will now be described with reference toFIGS. 3-8 . - Illustrated in
FIGS. 3-5 is the embodiment of the pool cleaning vehicle which includesdrive wheels 30. Theinternal drive assembly 50 includes a motor (not shown) with ahousing 52 mounted on theexterior 22 of the pool cleaning vehicle 20. The motor includes apinion gear 54, mounted on the rotor. When the motor rotates clearly so does the pinion gear. - The
drive wheel 30 is securely and removeably mounted on anaxle 32, in a manner conventional with pool cleaning vehicles. Thedrive wheel 30 includes aninternal gear 34 having an opening 36 concentric with the axle opening of thedrive wheel 30. Similar to thedrive wheel 30, thegear 34 slides over theaxle 32 and fits securely on theaxle 32 so that thepinion gear 54 meshes properly with theinternal gear 34. Thus, when the motor rotor turns, thedrive wheel 30 turns. - The
drive wheel 30 is locked in placed by alock washer 38. Thelock washer 38 is mounted concentric with the internal gear opening 36 anddrive wheel 30. - The
internal gear 34 in one embodiment is a separate element which is located as shown inFIG. 3 . In another embodiment, thegear 34 is formed as an integral part of thewheel 30. - The
housing 52 hermetically seals the drive motor. This protects the motor against damage that can be caused by the pool water and similar environmental issues. Thedrive wheel 30 rotates freely on theaxle 32. And, as mentioned above does so in response to rotation by the motor. - It will be appreciated that, although not shown, within the
housing 52, the motor, in another embodiment includes reduction gearing. This has the advantage of reducing drag and consequently wear. As is appreciated by those skilled in the art, the greater the rotation and speed of the motor the greater the wear rate on the seal. Therefore, by reducing the gearing and turning the motor slower as the rotor or shaft exits the housing, the sealed casing is maintained longer. - With particular reference to
FIG. 4 , there is shown another embodiment of theinternal drive assembly 50. Here, the elements are the same asFIG. 3 with the exception thatadditional gear 56 is included. Theadditional gear 56 in one embodiment works as an idler gear. This allows the vehicle to move the motor mass to an appropriate location as a result of the buoyancy of the vehicle. - In another embodiment, the
additional gear 56 serves as a further reduction gear for the drive assembly. In another embodiment, the additional gear is used to drive another device. Thus, the same motor is used to drive more than one device. - With particular reference to
FIG. 5 , there is shown a multiple additional gear embodiment of theinternal drive assembly 50. As will be appreciated, as many as three additional gears may be included in the internal drive assembly in accordance with the invention herein. In other embodiments, 3 or more idler gears are used. With particular reference toFIG. 5 , there are three additional gears, 56, 58 and 60. In this embodiment at least 2 of the gears serve as idler gears. - In this embodiment, wear and tear is shared among the number of idler gears, which could be as many as three. In other embodiments, more than three gears can be used. Also, this embodiment allows the distance between the output shaft and the wheel axle to be reduced. Finally, as can be seen from
FIG. 5 , the entireinternal drive assembly 50 is enclosed by thedrive wheel 30. In an additional embodiment the entire internal drive assembly is sealed by the enclosure. - In the embodiment shown in
FIG. 5 , the motor drive housing includes abearing 62 for supporting and aligning thedrive wheel 30. The bearing 62 in another embodiment is in the form of a bushing. - With particular respect to
FIGS. 6-8 , there is shown is the embodiment of the pool cleaning vehicle which includesroller drive 40 instead ofwheels 30. Theroller drive 40 has an interior 42. Within the interior 42 is a motorassembly mounting bracket 44. The mountingbracket 44 includes ajournal 46. - The motor assembly slides into position in the
interior 42 of theroller drive 40. A lockingring 70 includes adetent 72 extending therefrom. Thedetent 72 is sized and shaped to fit in thejournal 46. Upon complete insertion into the interior 42, the motor assembly is journaled within the interior 42. - As shown in
FIGS. 7 and 8 , thedrive roller 40 includes aninternal gear 49. In the embodiment shown inFIGS. 6-8 , there is shown the embodiment similar toFIG. 5 , except there are only twoidler gears pinion gear 54. And, similarly, the internal drive assembly works in the same fashion as described with respect to the earlier described embodiments inFIGS. 3-5 . - While the foregoing detailed description has described several embodiments of the internal drive assembly in accordance with this invention, it is to be understood that the above description is illustrative only and not limiting of the disclosed invention. Particularly, there are variety of propulsion assembly used by pool cleaning vehicle and each of them is within the spirit and scope of the invention providing the drive motor is located outside the interior of the body shell. It also will be appreciated that there are various modifications to the internal drive that are within the spirit and scope of the invention herein and that of particular interest is the ability of the motor assembly to remain outside the interior of the body shell and not the specific type of gearing or drive chosen for operation. Thus, the invention is to be limited only by the claims as set forth below.
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/530,076 US8756740B2 (en) | 2008-05-06 | 2012-06-21 | Pool cleaning vehicle having internal drive propulsion |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/116,068 US8220096B2 (en) | 2008-05-06 | 2008-05-06 | Pool cleaning vehicle having internal drive propulsion |
US13/530,076 US8756740B2 (en) | 2008-05-06 | 2012-06-21 | Pool cleaning vehicle having internal drive propulsion |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/116,068 Continuation US8220096B2 (en) | 2008-05-06 | 2008-05-06 | Pool cleaning vehicle having internal drive propulsion |
Publications (2)
Publication Number | Publication Date |
---|---|
US20120304403A1 true US20120304403A1 (en) | 2012-12-06 |
US8756740B2 US8756740B2 (en) | 2014-06-24 |
Family
ID=40908946
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/116,068 Expired - Fee Related US8220096B2 (en) | 2008-05-06 | 2008-05-06 | Pool cleaning vehicle having internal drive propulsion |
US13/530,076 Expired - Fee Related US8756740B2 (en) | 2008-05-06 | 2012-06-21 | Pool cleaning vehicle having internal drive propulsion |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/116,068 Expired - Fee Related US8220096B2 (en) | 2008-05-06 | 2008-05-06 | Pool cleaning vehicle having internal drive propulsion |
Country Status (3)
Country | Link |
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US (2) | US8220096B2 (en) |
EP (1) | EP2116672B1 (en) |
CN (1) | CN101574982B (en) |
Families Citing this family (12)
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US9119463B2 (en) | 2011-10-03 | 2015-09-01 | Pentair Water Pool & Spa, Inc. | Pool cleaner with detachable scrubber assembly |
ES2923669T3 (en) | 2013-08-30 | 2022-09-29 | Hayward Ind Inc | Pool cleaner |
CA3146537C (en) | 2015-01-26 | 2023-01-03 | Hayward Industries, Inc. | Swimming pool cleaner with hydrocyclonic particle separator and/or six-roller drive system |
US9885196B2 (en) | 2015-01-26 | 2018-02-06 | Hayward Industries, Inc. | Pool cleaner power coupling |
US9902477B1 (en) | 2016-11-04 | 2018-02-27 | Aqua Products, Inc. | Drive module for submersible autonomous vehicle |
US10301837B2 (en) | 2016-11-04 | 2019-05-28 | Aqua Products, Inc. | Drive module for submersible autonomous vehicle |
US9885194B1 (en) | 2017-05-11 | 2018-02-06 | Hayward Industries, Inc. | Pool cleaner impeller subassembly |
US9878739B1 (en) | 2017-05-11 | 2018-01-30 | Hayward Industries, Inc. | Pool cleaner modular drivetrain |
US10156083B2 (en) | 2017-05-11 | 2018-12-18 | Hayward Industries, Inc. | Pool cleaner power coupling |
US9896858B1 (en) | 2017-05-11 | 2018-02-20 | Hayward Industries, Inc. | Hydrocyclonic pool cleaner |
CN109367522B (en) * | 2018-10-19 | 2023-07-28 | 宁波大壬智能科技有限公司 | Car washing robot |
WO2023150932A1 (en) * | 2022-02-09 | 2023-08-17 | Beijing Smorobot Technology Co., Ltd | Pool cleaning robot with externally engaged roller brush |
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US3337889A (en) * | 1966-03-11 | 1967-08-29 | Walter L West | Mechanical device for cleaning the interior of large aquarium tanks |
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US3948332A (en) * | 1975-01-22 | 1976-04-06 | Tyner Richard A | Electric caddy cart |
US4095378A (en) * | 1975-12-18 | 1978-06-20 | Uragami Fukashi | Device capable of suction-adhering to a wall surface and moving therealong |
US4154680A (en) * | 1976-06-28 | 1979-05-15 | Sommer, Schenk AG. | Cleaning implement for swimming pools |
US4304022A (en) * | 1978-12-27 | 1981-12-08 | Schenk Ag | Underwater cleaning apparatus |
US4809383A (en) * | 1985-02-25 | 1989-03-07 | Uragami Fukashi | Device capable of adhering to a wall surface by suction and treating it |
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Also Published As
Publication number | Publication date |
---|---|
EP2116672B1 (en) | 2016-05-18 |
EP2116672A3 (en) | 2011-08-31 |
US8220096B2 (en) | 2012-07-17 |
CN101574982A (en) | 2009-11-11 |
EP2116672A2 (en) | 2009-11-11 |
US20090276967A1 (en) | 2009-11-12 |
US8756740B2 (en) | 2014-06-24 |
CN101574982B (en) | 2013-03-20 |
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